Contour shelf



FIG. 1 is a perspective view of the shelf;

FIG. 2 is a front elevational view of the shelf;

FIG. 3 is a rear elevational view of the shelf;

FIG. 4 is a left side elevational view of the shelf;

FIG. 5 is a right side elevational view of the shelf;

FIG. 6 is a top plan view of the shelf; and,

FIG. 7 is a bottom plan view of the shelf.

The ornamental design for a contour shelf, as shown and described.